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Ultra Versus U-boats: Enigma Decrypts in the National Archives Roy Conyers Nesbit
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Ultra Versus U-boats: Enigma Decrypts in the National Archives
Roy Conyers Nesbit
Using previously unpublished decrypts of U-boat signals, along with historic wartime photographs, this book tells the stories of individual U-boats and describes their fate. Their terse signals reveal the desperate plight of the U-boatmen as they struggled against the effective Allied countermeasures that eventually overwhelmed them.
256 pages, 200 photographs, 200 decrypts
| Media | Books Hardcover Book (Book with hard spine and cover) |
| Released | April 17, 2009 |
| Original release date | 2008 |
| ISBN13 | 9781844158744 |
| Publishers | Pen & Sword Books Ltd |
| Pages | 256 |
| Dimensions | 196 × 253 × 23 mm · 884 g |
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